Base | Representation |
---|---|
bin | 10010110000000… |
… | …01111001001000 |
3 | 101221222101000100 |
4 | 21120001321020 |
5 | 310231403102 |
6 | 23335205400 |
7 | 3616656351 |
oct | 1130017110 |
9 | 357871010 |
10 | 157294152 |
11 | 80874474 |
12 | 44816860 |
13 | 26783c82 |
14 | 16c66d28 |
15 | dc20a1c |
hex | 9601e48 |
157294152 has 24 divisors (see below), whose sum is σ = 426005190. Its totient is φ = 52431360.
The previous prime is 157294147. The next prime is 157294153. The reversal of 157294152 is 251492751.
It can be written as a sum of positive squares in only one way, i.e., 99321156 + 57972996 = 9966^2 + 7614^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (157294153) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1092249 + ... + 1092392.
Almost surely, 2157294152 is an apocalyptic number.
157294152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157294152 is an abundant number, since it is smaller than the sum of its proper divisors (268711038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157294152 is a wasteful number, since it uses less digits than its factorization.
157294152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2184653 (or 2184646 counting only the distinct ones).
The product of its digits is 25200, while the sum is 36.
The square root of 157294152 is about 12541.6965359556. The cubic root of 157294152 is about 539.8057737708.
It can be divided in two parts, 15729 and 4152, that added together give a square (19881 = 1412).
The spelling of 157294152 in words is "one hundred fifty-seven million, two hundred ninety-four thousand, one hundred fifty-two".
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